JOLONG comprises the following subsidiaries: JOLONG Metal Products Co., Ltd, JOLONG Window Door & Curtain Wall Co., Ltd and JOLONG Window and Door Systems Pty. Ltd. It is a professional large-scale enterprise that integrates design, manufacturing, installation and service of aluminum alloy and UPVC windows and doors.We Jolong Group have three centers in the world, China, US, Australia. JOLONG has successively passed the ISO9001:2000 International Quality Management Systems Certification/ China National Energy-saving Products Certification/ 14001:2004 Environment Management System Certification/ Australian windows and door AS2047 certification. JOLONG has been honored as “Renowned Products” “Qingdao Famous Trademark” “Trust worthy Products”，which is the excellent member of quality and honesty community and famous brand protection organization in Qingdao . JOLONG was established in 1992, which has a corporation philosophy of honesty and innovation, and it has been pursuing to keep improving, regard products as works, perfectly mix technology and art together, and keep innovation. JOLONG has been equipped with the most advanced processing machinery from Germany and Italy, such as WEGOMA EMMEGI. Now the factory covers total 60,000㎡ with 350,000㎡ production of Aluminum alloy and UPVC windows and doors, and 4,000 tons production of high-quality UPVC profiles. JOLONG is the top10 window and door enterprises in Shandong Province and widely famous in inland window and door industry. JOLONG brand has been widely recognized and praised by the customers. With the rise of internet industry, JOLONG has adhered the production philosophy of “Green, Low-Carbon, Ecological, Environmental”, and works hard on the industry requirements of “intellectualization, digitization, informatization”, and focuses on the adjustment of mechanism and structure in the enterprise operation, and aims to manufacture the green environmental products, and researches the high-performance window and door systems to improve energy-saving index, which can lower the U-value below 2.0. Now JOLONG has been investing 18,500㎡digital workshop, which can provide the worldwide customized service by on-line order, software-implemented design, intelligent production, informational logistic and full CRM systems. With the guidance of branding strategy and internationalization, the company carries out development strategy of reaching global market, aiming to promote enterprise's core competitiveness. In 2015, JOLONG Window and Door Systems Pty. Ltd was established in Melbourne with annual production of more than 100,000㎡of high-quality aluminum alloy windows and doors. JOLONG will be based on modern network technology and digital the intelligent workshop to lead the science and technology of windows and doors and to promote the development of windows and doors industry.